About Marlin
Marlin is an English name possibly related to Merlin, although its derivation is uncertain. It also shares its spelling with a large ocean fish, giving it an immediate natural association. Television's Marlin Perkins and the father in Finding Nemo make the name especially recognizable through stories about animals.
The Name and the Fish
One explanation treats Marlin as a variant of Merlin. That name developed from Welsh Myrddin through the Latin form used by Geoffrey of Monmouth in the twelfth century. Merlin became the magician and adviser associated with King Arthur in later versions of the legends.
The relationship to Marlin is possible rather than settled. Marlyn is a close spelling variant, while Merlin has its own established literary history and a different first vowel in ordinary English.
The fish word has a separate explanation. Marlin is a shortened form of marlinspike, referring to the animal's long, pointed upper jaw. That word association can be present for a modern reader even when the person's name comes from the older naming tradition.
The shared spelling helps place Marlin between a traditional personal name and a nature name. It is not necessary to give the uncertain personal-name history the same origin as the fish word.
Marlin Perkins and Wild Kingdom
Naturalist and broadcaster Marlin Perkins was the original host of Mutual of Omaha's Wild Kingdom, which began on NBC in 1963. With Jim Fowler, he brought audiences into contact with animals and habitats far beyond their everyday experience.
Perkins had previously hosted Zoo Parade. His years with Wild Kingdom, from 1963 to 1985, made the first name familiar to generations of American viewers. The program's mixture of wildlife encounters and conservation themes gave the name a particularly strong connection with the natural world.
Marlin in Finding Nemo
In Pixar's Finding Nemo, released in 2003, Marlin is a clownfish living on Australia's Great Barrier Reef with his son Nemo. When Nemo is taken away, the cautious father travels across the ocean to find him, accompanied by Dory.
Marlin's story turns on the tension between protecting a child and allowing that child independence. The ocean journey forces him into situations he has tried to avoid. His name recalls a much larger fish, while the character himself is a small reef-dwelling parent.
He returns in Finding Dory, released in 2016, when Dory's search for her own family takes the characters toward California. The two films give Marlin an enduring place in family animation.
Pronunciation and American Use
Marlin is pronounced MAR-lin, with the stress on the first syllable. It has two syllables and ends with a light, unstressed lin. Merlin has a different opening vowel, while Marlyn usually preserves Marlin's sound.
In the United States, Marlin reached its largest annual male total in 1935, with 386 boys, ranked 276th. There were 88 boys named Marlin in 2000, 69 in 2010, and 90 in 2025, when it ranked 1,788th. Its recent use is modest but persistent.
Sources & methodologyReferences, data & attribution
Existing Wiktionary material is attributed under CC BY-SA 4.0 where applicable. Popularity figures use the local Social Security Administration exact-spelling series; name-sex-year counts below five are omitted.
- Wiktionary: Marlin (English)
- Wiktionary: Merlin
- SSA national name data
- Wikidata: Marlin Stutzman
- Wikidata: Marlin Fitzwater
- Wikidata: Marlin Perkins
- Wikidata: Marlin Hurt
- Wikidata: Marlin Skiles
- Wikidata: Marlin Piana
- Wikidata: Marlin Edgar Olmsted
- Wikidata: Marlin Briscoe
- Wiktionary: marlin
- Mutual of Omaha: hosts
- Mutual of Omaha: history
- Pixar: Finding Nemo
- Pixar: Finding Dory
- Pixar: films
Wiktionary material is available under CC BY-SA 4.0.
How popular is Marlin?
In 2025, Marlin ranked #1,788 among boys in the United States, with 90 recorded uses. The U.S. birth records first list this spelling for boys in 1884; its largest annual count was 386 in 1935. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.